Answer:
add 4 so -1/2a=8
mult both sides by 2 so
-1a=16
divide 16 and -1
a = -16
Step-by-step explanation:
No because if you plug in the ordered pair you would get 9=-2-7 which equals -9 making -9 and 9 unequal means (-2,9) is not a solution.
Answer:
.35 kilometers
Step-by-step explanation:
It’s c because the triangle is a isosceles triangle meaning both base angles are the same! So a triangle equals 180°. So you subtract 104 from 180. Then divide it by 2 since the base angles are the same
180-104= 76
76/2=38°
The answer is 4600 I USED MENTAL MATH
